Craftsman 358.79103 Trimmer User Manual


 
stabilizertothegasolineinthefuel
tankorfuelstoragecontainer.Follow
themixinstructionsfoundonstabilizer
container.Runengineatleast3min-
utesafteraddingstabilizer.
Craftsman40:1,2-cycleengineoil(air
cooled)isalreadyblendedwithfuel
stabilizer.IfyoudonotusethisSears
oil,youcanaddafuelstabilizerto
yourfueltank.
ENGINE
Remove spark plug and pour 1 tea-
spoon of 40:1,2-cycle engine oil (air
cooled) through the spark plug
opening. Slowly pull the starter rope
8 to 10 times to distribute oil=
Replace spark plug with new one of
recommended type and heat range.
Clean air filter.
Check entire unit for loose screws,
nuts, and bolts. Replace any dam-
aged, broken, or worn parts.
At the beginning of the next season,
use only fresh fuel having the proper
gasoline to oil ratio.
OTHER
Do not store gasoline from one sea-
son to another.
Replace your gasoline can if it starts
to rust.
TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plug before perform-
ing all of the recommended remedies below except remedies that require
TROUBLE
Engine will not
start.
Engine will
not idle
properly.
Engine wilt not
accelerate,
lacks power.
or dies under
a load.
Engine
smokes
excessively.
Engine runs
hot.
unit to be operating.
CAUSE REMEDY
1. Move ON/OFF switch to ON.1. ON/OFF switch in
OFF position.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carburetor.
5. Carburetor requires
adjustment.
1. Carburetor requires
adjustment.
2. Crankshaft seals worn.
3. Compression low.
1. Air filter dirty.
2. Spark plug fouled.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
1. Fuel mixture incorrect.
2. Air filter dirty.
3. Carburetor requires
adjustment.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon buitd-up on
muffler outlet screen.
2. Fill tank with correct fuel mixture.
3. install new spark plug.
4. Check for dirty fuel filter; replace.
Check for kinked or sp_it fuel line;
repair or replace.
5. Contact Sears Service (see back cover).
1. See "Carburetor Adjustment" in
Service and Adjustments Section.
2. Contact Sears Service (see back cover).
3. Contact Sears Service (see back cover).
1. Clean or replace air filter.
2. Clean or replace plug
and regap.
3. Contact Sears Service (see back cover).
4. Contact Sears Service (see back cover).
5. Contact Sears Service (see back cover).
1. Empty fuel tank and refill with
correct fuel mixture.
2. Clean or replace air filter.
3. Contact Sears Service (see back cover).
1. See "Fueling Engine" in Operation
section.
2. Replace with correct spark plug.
3. Contact Sears Service (see back cover).
4. Contact Sears Service (see back cover).
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